記性不好,好多次都被路徑問題給攔住了.我現(xiàn)在想得到一個資源的全URL路徑,因此首先想得到網(wǎng)站當(dāng)前的域名,端口和虛擬目錄.看下表

底下這張表就是各種跟 Browser Request 的網(wǎng)址相關(guān)的屬性與用法：

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網(wǎng)址：http://localhost:1897/News/Press/Content.aspx/123?id=1#toc
Request.ApplicationPath	/
Request.PhysicalPath	D:\Projects\Solution\web\News\Press\Content.aspx
System.IO.Path.GetDirectoryName(Request.PhysicalPath)	D:\Projects\Solution\web\News\Press
Request.PhysicalApplicationPath	D:\Projects\Solution\web\
System.IO.Path.GetFileName(Request.PhysicalPath)	Content.aspx
Request.CurrentExecutionFilePath	/News/Press/Content.aspx
Request.FilePath	/News/Press/Content.aspx
Request.Path	/News/Press/Content.aspx/123
Request.RawUrl	/News/Press/Content.aspx/123?id=1
Request.Url.AbsolutePath	/News/Press/Content.aspx/123
Request.Url.AbsoluteUri	http://localhost:1897/News/Press/Content.aspx/123?id=1
Request.Url.Scheme	http
Request.Url.Host	localhost
Request.Url.Port	1897
Request.Url.Authority	localhost:1897
Request.Url.LocalPath	/News/Press/Content.aspx/123
Request.PathInfo	/123
Request.Url.PathAndQuery	/News/Press/Content.aspx/123?id=1
Request.Url.Query	?id=1
Request.Url.Fragment	?
Request.Url.Segments	/ News/ Press/ Content.aspx/ 123

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這里并沒有得到域名的方法.還是只好拆分字符串了,我是這么做的:

??????? protected string GetBaseUrl()
??????? {
??????????? return Request.Url.AbsoluteUri.Substring(0, Request.Url.AbsoluteUri.IndexOf(Request.RawUrl));
??????? }

?????? var fullImgUrl = GetBaseUrl() + "/Views/Images.ashx?id=" + map;

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不知是否有更好的方法得到?

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